官方文档学习心得：

由于在参考一些web 文档网站的时候发现了不少错误，所以决定今后自己要以W3C官方文档为最首要的参考资料！

HTML5

A vocabulary and associated APIs for HTML and XHTML

W3C Recommendation 28 October 2014

http://www.w3.org/TR/html5/

HTML

Living Standard — Last Updated 23 October 2015

https://html.spec.whatwg.org/

Indexed Database API

W3C Recommendation 08 January 2015

http://www.w3.org/TR/IndexedDB/

Attributes

This section is non-normative.

http://www.w3.org/TR/html5/index.html#attributes-1

HTML 5.1

W3C Working Draft 08 October 2015

http://www.w3.org/TR/html51/

http://www.w3.org/TR/html51/semantics.html#date-and-time-state-(type=datetime)

Web Storage (Second Edition)

W3C Candidate Recommendation 09 June 2015

http://www.w3.org/TR/webstorage/

HTML, The Web’s Core Language

http://www.w3.org/html/